A48Y Spring Fully Open Safety Valve

NegotiableUpdate on 03/26

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Nature of the Manufacturer: Producers

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Overview

Product Introduction: A48Y Spring Fully Open Safety Valve is suitable for equipment and pipelines with steam, air and other media working temperature ≤ 350 ℃

Product Details

Product Introduction

A48Y type spring fully open safety valve is suitable for equipment and pipelines with steam, air and other media working temperature ≤ 350 ℃. A44Y type spring fully open safety valve is suitable for equipment and pipelines with working temperature ≤ 300 ℃ for media such as air and petroleum, as an overpressure protection device. The product connection flange standard PN<6.4MPa shall comply with JB/and T-94 series 1.2 standards. PN ≥ 6.4MPa according to JB/and T-94 series 2 standards.

A48Y Spring Fully Open Safety Valve Appearance and Connection Dimensions Return to Safety Valve Product List

Nominal Diameter Nominal diameter DN(mm)		Dimensions (mm)
		DO		L		L1		DN’
25		15		110		105		32
32		20		130		110		40
40		25		135		120		50
50		32		160		130		65
80		50		175		160		100
100		65		220		200		125
150		100		285		260		200
Nominal Pressure Nominal pressure PN(MPa)	Official Notice Nominal diameter DN(mm)		Dimensions (mm)
			L		L1		DO		DN’
(A44Y) 1.6 2.5 4.0	25		110		95		15		32
	32		115		100		20		40
	40		120		110		25		50
	50		135		120		32		65
	65		160		135		40		80
	80		170		135		50		100
	100		195		175		65		125
	150		255		230		100		175
(A44Y) 6.4 10.0	25		110		105		15		32
	32		130		110		20		40
	40		135		120		25		50
	50		160		130		32		65
	80		175		160		50		100
	100		220		200		65		125
	150		285		260		100		200

A48Y Spring Fully Open Safety Valve Main Component Materials Return to Safety Valve Product List

NO	Part Name Name of part	A48Y-C A44Y-C A42Y-C 材料　 Materials	A44Y-P A42Y-P 材料　 Materials	A44Y-R A42Y-R 材料　 Materials
1	Valve Body	WCB	ZG1Cr18Ni9Ti	CF8M
2	Seat nozzle	2Cr13	1Cr18Ni9Ti	316
3	Adjusting ring	ZG2Cr13	ZG1Cr18Ni9Ti	0Cr18Ni12Mo2Ti
4	Backwash Disc Holder	ZG2Cr13	ZG1Cr18Ni9Ti	316
5	Valve disc	2Cr13	1Cr18Ni9Ti	316
6	Guide sleeve	2Cr13	1Cr18Ni9Ti	0Cr18Ni12Mo2Ti
7	Bonnet valve cover	ZG230-450	ZG230-450	ZG230-450
8	Spring Spring	50CrVA	50CrVA coated fluoroplastic coated Teflon	50CrVA coated fluoroplastic coated Teflon
9	Stem of valve stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
10	Wrench lever	ZG200-400	ZG200-400	ZG200-400
11	Adjusting bolt	45	2Cr13	2Cr13
12	Protecting Cap	ZG200-400	ZG200-400	316
	Sealing surface of material	Deposition stellite of Co based hard alloy

A48Y Spring Fully Open Safety Valve

Product Introduction

Product advantages

performance parameters

installation dimensions